TY  - JOUR
AU  - Práger, Milan
TI  - Universally optimal approximation of functionals
JO  - Applications of Mathematics
PY  - 1979
SP  - 406
EP  - 420
VL  - 24
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/AM.1979.103824/
DO  - 10.21136/AM.1979.103824
LA  - en
ID  - 10_21136_AM_1979_103824
ER  -